export type VoiceProvider = 'google' | 'elevenlabs' | 'openai';

export interface Voice {
	value: string;
	label: string;
	gender: 'male' | 'female';
	quality: 'premium' | 'neural' | 'wavenet' | 'studio' | 'standard';
	language: string;
	provider: VoiceProvider;
}

export const GERMAN_VOICES: Voice[] = [
	// Note: Google Chirp HD voices (de-DE-Chirp3-HD-*) are available but not included here
	// as they require special API access and are significantly more expensive.
	// Add them if you have access: https://cloud.google.com/text-to-speech/docs/voices

	// Google Cloud TTS - Neural2 voices (most commonly used, good balance of quality and cost)
	{
		value: 'de-DE-Neural2-A',
		label: 'Neural2 A (Weiblich)',
		gender: 'female',
		quality: 'neural',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Neural2-B',
		label: 'Neural2 B (Männlich)',
		gender: 'male',
		quality: 'neural',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Neural2-C',
		label: 'Neural2 C (Weiblich)',
		gender: 'female',
		quality: 'neural',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Neural2-D',
		label: 'Neural2 D (Männlich)',
		gender: 'male',
		quality: 'neural',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Neural2-E',
		label: 'Neural2 E (Weiblich)',
		gender: 'female',
		quality: 'neural',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Neural2-F',
		label: 'Neural2 F (Männlich)',
		gender: 'male',
		quality: 'neural',
		language: 'de-DE',
		provider: 'google',
	},

	// Google Cloud TTS - WaveNet voices (high quality, natural sounding)
	{
		value: 'de-DE-Wavenet-A',
		label: 'WaveNet A (Weiblich)',
		gender: 'female',
		quality: 'wavenet',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Wavenet-B',
		label: 'WaveNet B (Männlich)',
		gender: 'male',
		quality: 'wavenet',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Wavenet-C',
		label: 'WaveNet C (Weiblich)',
		gender: 'female',
		quality: 'wavenet',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Wavenet-D',
		label: 'WaveNet D (Männlich)',
		gender: 'male',
		quality: 'wavenet',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Wavenet-E',
		label: 'WaveNet E (Weiblich)',
		gender: 'female',
		quality: 'wavenet',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Wavenet-F',
		label: 'WaveNet F (Männlich)',
		gender: 'male',
		quality: 'wavenet',
		language: 'de-DE',
		provider: 'google',
	},

	// Google Cloud TTS - Studio voices (broadcast quality)
	{
		value: 'de-DE-Studio-B',
		label: 'Studio B (Männlich)',
		gender: 'male',
		quality: 'studio',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Studio-C',
		label: 'Studio C (Weiblich)',
		gender: 'female',
		quality: 'studio',
		language: 'de-DE',
		provider: 'google',
	},

	// Google Cloud TTS - Standard voices (basic quality, lowest cost)
	{
		value: 'de-DE-Standard-A',
		label: 'Standard A (Weiblich)',
		gender: 'female',
		quality: 'standard',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Standard-B',
		label: 'Standard B (Männlich)',
		gender: 'male',
		quality: 'standard',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Standard-C',
		label: 'Standard C (Weiblich)',
		gender: 'female',
		quality: 'standard',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Standard-D',
		label: 'Standard D (Männlich)',
		gender: 'male',
		quality: 'standard',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Standard-E',
		label: 'Standard E (Weiblich)',
		gender: 'female',
		quality: 'standard',
		language: 'de-DE',
		provider: 'google',
	},
	{
		value: 'de-DE-Standard-F',
		label: 'Standard F (Männlich)',
		gender: 'male',
		quality: 'standard',
		language: 'de-DE',
		provider: 'google',
	},

	// ElevenLabs voices
	{
		value: 'eleven_multilingual_v2',
		label: 'Rachel (Weiblich)',
		gender: 'female',
		quality: 'premium',
		language: 'de-DE',
		provider: 'elevenlabs',
	},
	{
		value: 'eleven_multilingual_v1',
		label: 'Adam (Männlich)',
		gender: 'male',
		quality: 'premium',
		language: 'de-DE',
		provider: 'elevenlabs',
	},
	{
		value: 'eleven_turbo_v2',
		label: 'Turbo Rachel (Weiblich) - Low Latency',
		gender: 'female',
		quality: 'premium',
		language: 'de-DE',
		provider: 'elevenlabs',
	},
	{
		value: 'eleven_monolingual_v1',
		label: 'Clyde (Männlich)',
		gender: 'male',
		quality: 'premium',
		language: 'de-DE',
		provider: 'elevenlabs',
	},

	// OpenAI voices
	{
		value: 'alloy',
		label: 'Alloy (Neutral)',
		gender: 'female',
		quality: 'neural',
		language: 'de-DE',
		provider: 'openai',
	},
	{
		value: 'echo',
		label: 'Echo (Männlich)',
		gender: 'male',
		quality: 'neural',
		language: 'de-DE',
		provider: 'openai',
	},
	{
		value: 'fable',
		label: 'Fable (Männlich)',
		gender: 'male',
		quality: 'neural',
		language: 'de-DE',
		provider: 'openai',
	},
	{
		value: 'onyx',
		label: 'Onyx (Männlich)',
		gender: 'male',
		quality: 'neural',
		language: 'de-DE',
		provider: 'openai',
	},
	{
		value: 'nova',
		label: 'Nova (Weiblich)',
		gender: 'female',
		quality: 'neural',
		language: 'de-DE',
		provider: 'openai',
	},
	{
		value: 'shimmer',
		label: 'Shimmer (Weiblich)',
		gender: 'female',
		quality: 'neural',
		language: 'de-DE',
		provider: 'openai',
	},
];

export const ENGLISH_US_VOICES: Voice[] = [
	// Google Cloud TTS - Neural2 voices
	{
		value: 'en-US-Neural2-A',
		label: 'Neural2 A (Männlich)',
		gender: 'male',
		quality: 'neural',
		language: 'en-US',
		provider: 'google',
	},
	{
		value: 'en-US-Neural2-C',
		label: 'Neural2 C (Weiblich)',
		gender: 'female',
		quality: 'neural',
		language: 'en-US',
		provider: 'google',
	},
	{
		value: 'en-US-Neural2-D',
		label: 'Neural2 D (Männlich)',
		gender: 'male',
		quality: 'neural',
		language: 'en-US',
		provider: 'google',
	},
	{
		value: 'en-US-Neural2-E',
		label: 'Neural2 E (Weiblich)',
		gender: 'female',
		quality: 'neural',
		language: 'en-US',
		provider: 'google',
	},
];

export const ENGLISH_GB_VOICES: Voice[] = [
	// Google Cloud TTS - Neural2 voices
	{
		value: 'en-GB-Neural2-A',
		label: 'Neural2 A (Weiblich)',
		gender: 'female',
		quality: 'neural',
		language: 'en-GB',
		provider: 'google',
	},
	{
		value: 'en-GB-Neural2-B',
		label: 'Neural2 B (Männlich)',
		gender: 'male',
		quality: 'neural',
		language: 'en-GB',
		provider: 'google',
	},
	{
		value: 'en-GB-Neural2-C',
		label: 'Neural2 C (Weiblich)',
		gender: 'female',
		quality: 'neural',
		language: 'en-GB',
		provider: 'google',
	},
	{
		value: 'en-GB-Neural2-D',
		label: 'Neural2 D (Männlich)',
		gender: 'male',
		quality: 'neural',
		language: 'en-GB',
		provider: 'google',
	},
];

export const ALL_VOICES = [...GERMAN_VOICES, ...ENGLISH_US_VOICES, ...ENGLISH_GB_VOICES];

export const getVoicesByLanguage = (language: string): Voice[] => {
	return ALL_VOICES.filter((voice) => voice.language === language);
};

export const getVoiceById = (voiceId: string): Voice | undefined => {
	if (!voiceId) return undefined;

	try {
		const allVoices = [...GERMAN_VOICES, ...ENGLISH_US_VOICES, ...ENGLISH_GB_VOICES];
		return allVoices.find((voice) => voice.value === voiceId);
	} catch (error) {
		console.error('Error in getVoiceById:', error);
		return undefined;
	}
};

export const QUALITY_LABELS: Record<Voice['quality'], string> = {
	premium: '🌟 Premium',
	neural: '🧠 Neural',
	wavenet: '🌊 WaveNet',
	studio: '🎙️ Studio',
	standard: '📢 Standard',
};

export const PROVIDER_LABELS: Record<VoiceProvider, string> = {
	google: '🔵 Google Cloud',
	elevenlabs: '🎯 ElevenLabs',
	openai: '🤖 OpenAI',
};

// Backward compatibility: map old voice codes to new voice IDs
export const LEGACY_VOICE_MAP: Record<string, string> = {
	'de-DE': 'de-DE-Neural2-A',
	'en-US': 'en-US-Neural2-A',
	'en-GB': 'en-GB-Neural2-A',
	// Also map old voice IDs that no longer exist
	'de-DE-Neural2-G': 'de-DE-Neural2-A',
	'de-DE-Neural2-H': 'de-DE-Neural2-B',
	'de-DE-Wavenet-G': 'de-DE-Wavenet-A',
	'de-DE-Wavenet-H': 'de-DE-Wavenet-B',
	'de-DE-Standard-G': 'de-DE-Standard-A',
	'de-DE-Standard-H': 'de-DE-Standard-B',
};